Base | Representation |
---|---|
bin | 11110110101101111011000 |
3 | 120012201202201 |
4 | 132311233120 |
5 | 4032200230 |
6 | 445135544 |
7 | 125500540 |
oct | 36655730 |
9 | 16181681 |
10 | 8084440 |
11 | 4621a61 |
12 | 285a5b4 |
13 | 18a09c0 |
14 | 1106320 |
15 | a9a5ca |
hex | 7b5bd8 |
8084440 has 64 divisors (see below), whose sum is σ = 22397760. Its totient is φ = 2557440.
The previous prime is 8084437. The next prime is 8084441. The reversal of 8084440 is 444808.
It is a happy number.
It is a super-2 number, since 2×80844402 = 130716340227200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 8084399 and 8084408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8084441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2530 + ... + 4750.
It is an arithmetic number, because the mean of its divisors is an integer number (349965).
Almost surely, 28084440 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8084440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11198880).
8084440 is an abundant number, since it is smaller than the sum of its proper divisors (14313320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8084440 is a wasteful number, since it uses less digits than its factorization.
8084440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2252 (or 2248 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 28.
The square root of 8084440 is about 2843.3149667246. The cubic root of 8084440 is about 200.7012053488.
The spelling of 8084440 in words is "eight million, eighty-four thousand, four hundred forty".
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